Azure naming · Microsoft.Automation/automationAccounts

aa Automation account

Runbooks, update management, and configuration.

Naming constraints

CAF abbreviationaa
Resource typeMicrosoft.Automation/automationAccounts
Length6–50 characters
CaseMixed case
Allowed charactersAlphanumerics and hyphens. Start with a letter; end with alphanumeric.
Uniqueness Resource group
SeparatorHyphen
Watch out: Names must be unique per resource group and region, and the minimum is 6 characters.

Source: Microsoft Learn, “Naming rules and restrictions for Azure resources”, checked October 2026. Abbreviation from the Cloud Adoption Framework.

Example & copy-ready

A worked name for workload app, env prod, region weu, instance 001.

Example name
aa-app-prod-weu-001 Valid
Validation regex for CI checks or pre-commit hooks (.NET and JavaScript) 
^(?=.{6,50}$)[A-Za-z][A-Za-z0-9-]*[A-Za-z0-9]$
Bicep naming expression 
var name = take('aa-${workload}-${env}-${region}-${instance}', 50)
Terraform local 
locals {
  name = substr(join("-", compact(["aa", var.workload, var.env, var.region, var.instance])), 0, 50)
}

Azure Policy can't evaluate regular expressions, so a policy can check the aa prefix but not the full format. Run the regex in your pipeline, or audit existing names on a schedule.

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Uniqueness scope

Unique within the parent resource group. The same name can be reused in a different resource group.

Open in the name generator

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